Step 10 - Make Final Preparations - Carrier AirStream 42BHE06 Installation, Start-Up And Service Instructions Manual

1(25)
2.4(61)
BTM/REAR INLET - 42BHE
BTM/FRONT INLET FOR - 42BVE
42BHE,BVE
06
08
10
12
16
20
30
40
Step 10 — Make Final Preparations
1. TURN POWER OFF. (Open unit electrical disconnect.)
2. Clean unit thoroughly. Remove dirt and debris from unit,
especially drain pan, drain line, motor, and fan. Pour water
into drain pan to check that drain operates properly.
3. Rotate fan wheel by hand to be sure wheel is free and does
not rub housing. The 42BHE, BVE belt drives are factory-
set at the speed required for the design specifications spec-
ified when ordered. These drives may be adjusted to
achieve different speed by qualified personnel during air
system balancing. Refer to the Start-Up section on page 19
B W
2(51)
3(76)
A
H
2.4(61)
A
4(102)
C
DIMENSIONS - INCHES (MILLIMETERS)
H W
18.5 (470) 28 (711)
18.5 (470) 28 (711)
20.25 (514) 37 (940)
20.25 (514) 37 (940)
20.25 (514) 47 (1194)
22.75 (578) 48 (1219)
31.0 (787) 48 (1219)
31.0 (787) 62 (1575)
Fig. 19 — Mixing Box Details
TOP VIEWS
A
2.4(61)
1(25)
C
TOP/REAR INLET - 42BHE
TOP/FRONT INLET FOR - 42BVE
A
6 (152)
6 (152)
8 (203)
8 (203)
8 (203)
8 (203)
10 (254)
10 (254)
before energizing the unit. Check fan belt tension as
described in the Service section which follows.
4. Check that a clean air filter of proper type and size is
installed in unit filter rack after commissioning. See
Table 5 and Clean or Replace Air Filters section on
page 20. Do NOT operate unit without filter.
5. Turn on water supply. Open all valves. Check for leaks.
Recheck pitch of suspended unit.
6. Vent all air from unit coil and related piping. If air vent is
manual, release air by turning air-vent screw 1-1/2 turns
counterclockwise with screwdriver. When a steady stream
of water begins to escape, close valve. If vent is automatic,
trapped air will be released automatically. Vent releases air
18
B
W
2(51)
4(102)
2.4(61)
H
A
3(76)
B C
24 (610) 11 (279)
24 (610) 11 (279)
33 (838) 13 (330)
33 (838) 13 (330)
43 (1092) 13 (330)
44 (1118) 13 (330)
44 (1118) 15 (381)
58 (1473) 15 (381)